Electromechanical siren lk-jdw105 Description: Lk-jdw105 is a small double-ended siren for horizontal mounting. Powered by a single phase motor. It is designed for roof or pole mounting. It can be used in: civil defence warning system of major cities all over the world. fire warning system of community, main factries, mines, buildings, etc. warning for accidents of reservoirs, dams, jails, airports, army, etc. Sound rating 100f+2db(c) @1m Three phase motor 0.2kw, 110/220/230v ac, 50/60hz Ip rating Ip44 Output frequency 1000/1200f+20hz Single tone Net weight3.5kg Carton size22x15x19cm Net weight:3.5kg Carton size:22x15x19cm